Product description:

An overview of the

Industrial flame-proof thermocouple, heat resistance as temperature measurement and control of sensor and display instrument, with direct measurement and control in the process of production of gas, liquid and steam temperature.
My factory production of chemical special explosion-proof thermocouple, heat resistance, explosion-proof performance products promulgated by the state of "explosive environment with explosion-proof electrical equipment" standard, design and manufacture of thermoelectric properties in line with the international IEC standards, and approved by national instruments explosion-proof safety surveillance test qualified.
Flame-proof thermocouple, heat resistance of the structure, principle and assembly methods are basically the same, the main difference is the flame-proof products on the junction box (shell) in the design of high strength aluminum alloy die casting, and have enough internal space, thickness and mechanical strength, thermal stability of the rubber sealing ring are in line with the state explosion proof standard.So when the junction box of internal explosive mixed gas explosion, it won't destroy junction box, and the resulting heat can't spread outward - explosive.As long as the user strictly abide by the regulations regarding the use of the product, the product can achieve reliable explosion-proof effect.

The characteristics of

Many kinds of explosion-proof, explosion-proof performance is good;
Compression spring type thermal components, ant-vibration performance is good.
Temperature measurement range is large;
High mechanical strength, good compression performance;

The working principle of

Explosion-proof thermocouple flame-proof principle is to use the clearance, design has enough strength of the junction box, and other components, all will produce a spark, arc and dangerous parts are sealed in the junction box cavity temperature, when the explosion cavity, can remove from heat and cooling by joint clearance, made after the explosion flame temperature and not reach outside the cavity, flame-proof thereby.

The main technical parameters

Product standards
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
GB3836

The normal temperature insulation resistance

Thermocouple in the environmental temperature is 20 + 15 ° C, relative humidity is not more than 80%, test voltage for 500 + 50 v (dc) electrode and outer casing of the insulation resistance between > 1000 omega. M

Measuring range and tolerance